package com.marver.common.aspect;

import com.alibaba.fastjson.JSONObject;
import com.marver.common.utils.HttpsUtil;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

/**
 * @description: 系统日志切面
 * @Author: Marver
 * @date: 2018-04-28 11:49
 **/
@Aspect
@Component
public class SysLogAspect {
    private static final Logger logger = LoggerFactory.getLogger(SysLogAspect.class);

    @Pointcut("execution(public * com.marver.*.controller.*.*(..))")//两个..代表所有子目录，最后括号里的两个..代表所有参数
    public void logPointCut() {
    }

    @Before("logPointCut()")
    public void doBefore(JoinPoint joinPoint) throws Throwable {
        // 接收到请求，记录请求内容
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();

        StringBuilder logInfo = new StringBuilder();

        logInfo.append("\n\t\t=========请求地址 : " + request.getRequestURL().toString()+" =========\n");
        logInfo.append("\t\t=========HTTP METHOD : " + request.getMethod()+"=========\n");
        logInfo.append("\t\t=========IP : " + HttpsUtil.getClientIP(request)+"=========\n");
        logInfo.append("\t\t=========CLASS_METHOD : " + joinPoint.getSignature().getDeclaringTypeName() + "."
                + joinPoint.getSignature().getName()+"=========\n");

        //请求的参数
        Object[] args = joinPoint.getArgs();
        try {
            logInfo.append("\t\t========="+JSONObject.toJSON(args[0])+"=========");
        }catch (Exception e){

        }
        logger.info(logInfo.toString());
    }

    @AfterReturning(returning = "ret", pointcut = "logPointCut()")// returning的值和doAfterReturning的参数名一致
    public void doAfterReturning(Object ret) throws Throwable {
        // 处理完请求，返回内容
        logger.info("返回值 : " + ret);
    }

    @Around("logPointCut()")
    public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
        long startTime = System.currentTimeMillis();
        Object ob = pjp.proceed();// ob 为方法的返回值
        logger.info("耗时 : " + (System.currentTimeMillis() - startTime));
        return ob;
    }
}
